Logitech Z906 Service Manual _verified_ Link

The Z906’s power supply contains (up to 350V DC on the primary side of the switching power supply). Even unplugged, large capacitors can hold a lethal charge for minutes or hours.

When searching, use the exact string: "Logitech Z906 Service Manual.pdf" in Google. Also check for the Z906 Schematic Diagram – sometimes listed separately. If you find a dead link, use the Wayback Machine (archive.org) to retrieve cached copies from electronics repair forums. logitech z906 service manual